"Offering extreme knockdown power and increased kinetic energy, Ravin .001 XK5 Bolts offer ideal performance for big game hunting with your high performance Ravin Crossbows crossbow. 100% pure carbon arrows feature a premier straightness tolerance of .001"" and 500-grain weight for premium flight and energy. 20"" arrows come with high-impact, threaded brass inserts, aluminum nock bushings, and Ravin-specific polymer clip-on nocks. Fletched with 2"" offset vanes. 6 pack. 6 pack of premium arrows for use with Ravin Crossbows 100% pure carbon construction Premier straightness tolerance of .001"" 500-grain weight for excellent kinetic energy High-impact, threaded brass inserts Aluminum nock bushings Ravin-specific polymer clip-on nocks Fletched with 2"" offset vanes"